News tagged with titanium oxide

Japanese team discovers 'super disc' material

A Japanese research team has found a material that could be used to make a low-price super disc with data storage capacity thousands of times greater than a DVD, the lead scientist said Monday.

Chemistry / Materials Science

created May 24, 2010 | popularity 4.7 / 5 (35) | comments 18

Lab study raises questions over nano-particle impact

Tests involving chickens have raised questions about the impact on health from engineered nano-particles, the ultra-fine grains commonly used in drugs and processed foods, scientists said on Sunday.

Nanotechnology / Bio & Medicine

created Feb 12, 2012 | popularity 5 / 5 (11) | comments 5

A pinch of light: Laser 'tweezers' for medicine, communications and harvesting energy

Star Trek fans will remember "tractor beams," lasers that allowed the Starship Enterprise to trap and move objects. Tel Aviv University is now turning this science fiction into science fact -- on a nano scale.

Physics / General Physics

created Jul 06, 2010 | popularity 4.7 / 5 (11) | comments 0 | with audio podcast

Researchers: English ivy may give sunblock a makeover

When Mingjun Zhang was watching his son play in the yard, he was hit with a burning question: "What makes the ivy in his backyard cling to the fence so tightly?"

Nanotechnology / Bio & Medicine

created Jul 19, 2010 | popularity 4.8 / 5 (10) | comments 1 | with audio podcast

Scientist Creates Sunscreen from Ivy

Drive through the University of Tennessee in Knoxville on a sunny day, and you may see a man on the side of the road pruning the English ivy.

Nanotechnology / Nanomaterials

created Aug 03, 2010 | popularity 5 / 5 (8) | comments 0 | with audio podcast

Engineers develop novel method for accelerated bone growth

Engineers at the University of California at San Diego have come up with a way to help accelerate bone growth through the use of nanotubes and stem cells. This new finding could lead to quicker and better recovery, for example, ...

Nanotechnology / Bio & Medicine

created Jan 30, 2009 | popularity 4.5 / 5 (8) | comments 0

Dancing 'adatoms' help chemists understand how water molecules split

Single oxygen atoms dancing on a metal oxide slab, glowing brighter here and dimmer there, have helped chemists better understand how water splits into oxygen and hydrogen. In the process, the scientists have visualized a ...

Physics / Condensed Matter

created Mar 16, 2009 | popularity 4.4 / 5 (8) | comments 0

'Metamaterials,' quantum dots show promise for new technologies

(Phys.org) -- Researchers are edging toward the creation of new optical technologies using "nanostructured metamaterials" capable of ultra-efficient transmission of light, with potential applications including ...

Nanotechnology / Nanophysics

created May 24, 2012 | popularity 5 / 5 (7) | comments 1 | with audio podcast

Titanium oxide doped with cobalt produces magnetic properties at room temperature

(PhysOrg.com) -- Spintronics — also known as magnetoelectronics — may replace electronics as the medium of choice for computer memory. The discovery of a mechanism that produces permanent magnets ...

Physics / General Physics

created Apr 22, 2011 | popularity 4.8 / 5 (5) | comments 1 | with audio podcast

Pairing quantum dots with fullerenes for nanoscale photovoltaics

(PhysOrg.com) -- In a step toward engineering ever-smaller electronic devices, scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have assembled nanoscale pairings of particles ...

Nanotechnology / Nanophysics

created May 10, 2011 | popularity 4.6 / 5 (5) | comments 3 | with audio podcast

Truth Is Stranger Than Science: Discovering true properties of metal oxides

(PhysOrg.com) -- To successfully compete in a global marketplace, manufacturers continually search for better materials: faster drying and less hazardous paint, longer-lasting sunscreen, and faster computers. ...

Chemistry / Materials Science

created Sep 17, 2009 | popularity 5 / 5 (4) | comments 2

Paving slabs that clean the air

The concentrations of toxic nitrogen oxide that are present in German cities regularly exceed the maximum permitted levels. That’s now about to change, as innovative paving slabs that will help protect the ...

Space & Earth / Environment

created Aug 11, 2010 | popularity 4 / 5 (5) | comments 0

Nanoparticles used to increase thermal properties of transformer oil

Rice University scientists have created a nano-infused oil that could greatly enhance the ability of devices as large as electrical transformers and as small as microelectronic components to shed excess heat.

Nanotechnology / Nanomaterials

created Feb 01, 2012 | popularity 4.8 / 5 (4) | comments 2 | with audio podcast

A greener path for the production of a vital chemical

(PhysOrg.com) -- Nanoparticles of gold and palladium (Au-Pd) could lead to a more efficient and environmentally friendly way of producing benzyl benzoate, a chemical compound used widely in the food, pharmaceutical ...

Nanotechnology / Nanomaterials

created Jan 14, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Nanotechnology for water purification

Nanotechnology refers to a broad range of tools, techniques and applications that simply involve particles on the approximate size scale of a few to hundreds of nanometers in diameter. Particles of this size have some unique ...

Nanotechnology / Nanomaterials

created Jul 29, 2010 | popularity 3.7 / 5 (3) | comments 0